FilterSobelInit

Filters an image using a Sobel filter.

Syntax

IppStatus ippiFilterSobel_<mod>_T(IppiSize roiSize, IppiMaskSize maskId, IppNormType normType, IppDataType srcDataType, IppDataType dstDataType, int numChannels, IppiFilterSobelSpec_T* pSpec);

Supported values for mod:

8u16s_C1R

Include Files

ippi.h

Domain Dependencies

Headers: ippcore.h, ippvm.h, ipps.h

Libraries: ippcore.lib, ippvm.lib, ipps.lib

Parameters

roiSize	Size of the destination ROI in pixels.
maskId	Predefined mask of the IppiMaskSize type.
normType	Normalization mode if the IppNormType type is specified.
srcDataType	Data type of the source image.
dstDataType	Data type of the destination image.
numChannels	Number of channels in the image.
pSpec	Pointer to the Filter Sobel specification structure.

Description

This function is used for initialization of the pSpec structure for the ippiFilterSobel function.

Return Values

ippStsNoErr	Indicates no error.
ippStsNullPtrErr	Indicates an error when pBufferSize is NULL.
ippStsSizeErr	Indicates an error when roiSize is negative or equal to zero.
ippStsMaskSizeErr	Indicates an error when maskSize has a wrong value.
ippStsDataTypeErr	Indicates an error when srcDataType or dstDataType has an illegal value.
ippStsNumChannelsErr	Indicates an error when numChannels has an illegal value.